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Finding the Fourth Proportional to 45,793.95, 68,700.79 and 14,203.38

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Solution

The fourth proportional to 45,793.95, 68,700.79 and 14,203.38 is: 21,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.95 : 68,700.79 = 14,203.38 : x
  2. Step 2: Convert to fraction form
    45,793.95/68,700.79 = 14,203.38/x
  3. Step 3: Cross multiply
    45,793.95x = 68,700.79 × 14,203.38
  4. Step 4: Simplify right side
    45,793.95x = 975,783,426.67
  5. Step 5: Solve for x
    x = 975,783,426.67/45,793.95
  6. Step 6: Final answer
    x = 21,308.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.